Base | Representation |
---|---|
bin | 11000001010010000101… |
… | …10011000101100010110 |
3 | 2221100202001121012112202 |
4 | 30011020112120230112 |
5 | 102100112441002430 |
6 | 1433210123044502 |
7 | 113655463650254 |
oct | 14051026305426 |
9 | 2840661535482 |
10 | 830142515990 |
11 | 2a0074899137 |
12 | 114a79070732 |
13 | 60388a20058 |
14 | 2c2716ab5d4 |
15 | 168d96bcd45 |
hex | c148598b16 |
830142515990 has 16 divisors (see below), whose sum is σ = 1494266905440. Its totient is φ = 332054700480.
The previous prime is 830142515977. The next prime is 830142516043. The reversal of 830142515990 is 99515241038.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2651666 + ... + 2948154.
It is an arithmetic number, because the mean of its divisors is an integer number (93391681590).
Almost surely, 2830142515990 is an apocalyptic number.
830142515990 is a deficient number, since it is larger than the sum of its proper divisors (664124389450).
830142515990 is a wasteful number, since it uses less digits than its factorization.
830142515990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 576487.
The product of its (nonzero) digits is 388800, while the sum is 47.
The spelling of 830142515990 in words is "eight hundred thirty billion, one hundred forty-two million, five hundred fifteen thousand, nine hundred ninety".
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